HTTP://BBS.FIXCLUB.COM.CN
EPSON LQ-300+ Revision C
Troubleshooting Troubleshooting 50
3.2.4.1 Printhead Check
By measuring the direct current resistance of the printhead coil, you can check if it is
all right.
Figure 3-2. Head Coil Pin No.
Table 3-10. Printhead Coil Resistance
Item Operation Specification
Printhead
1. Set the multimeter to the resistance measuring range.
2. Connect the one side of the probe to C.
3. Connect the other side of the probe to corresponding
head pin No.
33.3 ± 3.3Ω
(at 25°C/phase)
Looked From Point A
To Next Page
Loading...
